just a fire house, it's also us being exposed to diesel exhaust, and so with you mentioned this gal, rachel, is she the person who's not here today, or when you were talking about the air quality, having your air quality tested, and the odd thing is now a different agency runs and maintains these pumps that are right beneath us now so it gets kind of complicated, but i think i've been exposed, i worked at the airport for 11 years and then worked here, i have this exposure to diesel smell that you don't notice it here, i do notice it frequently, and so when you mention this gal rachel. >> so, just before this, we had a meeting because we're working on hopefully building a study to look at exposures among women in the fire course to understand what they're exposed to, this raises a really interesting kind of unique sub population within that, she is an environmental health scientist and has done a lot of work on measuring levels of chemicals in people and environments, so one study she did was with also in richmond california to looking at the different levels of chemicals, diesel exhaust in